Filler for pulp refining engines



May 2l, E94@ c. J. STEINBAR'GER 2,201,276 FILLER FOR PULP REFINING ENGINES Filed Aug. 8, 1939 ias v A' b y F- 5j his A TTH'NE Y.

Patented May 21, 1940 l p UNITED STATES PATENT OFFICE FILLER FOR PULP REFINING ENGINES k Charles J. Steinbarger, Dayton, Ohio, assignor to Simonds Worden White Company, Dayton, Ohio, a corporation of Ohio Application August 8, 1939, Serial No. 289,001

11 Claims. (Cl. Sit-27) This invention relates to Jordan engines or pose of illustration only and that the ller may similar pulp producing apparatus. The ordinary be used with apparatus of various kinds and may Jordan comprises a frusto-conical outer member take various forms without departing from the or shell, which is usually stationary, and a frustospirit of the invention.

' conical inner member or plug, which is rotatable In both of the illustrated embodiments the 5' in the shell. The shell and plug are provided with ller comprises a plurality of reducing members Opposed working surfaces between which is extending lengthwise of the ller, spaced laterpassed the material to be reduced, commonly ally one from the other and so shaped as to called stuit It is customary to provide the provide a tortuous passageway between adjacent y working surfaces on structures, herein called reducing members. Each reducing member com- 10 fillers, which are separate from but are attached prises a longitudinal series of inclined parts, adto the shell and plug respectively. Such a filler jacent parts being inclined in opposite directions usually comprises a series of metallic reducing so as to provide the reducing member with remembers or blades arranged on edge and concesses facing alternately in opposite directions,

l5" nected one with the other laterally spaced relathe recesses in the adjacent faces of contiguous 15x tion. The spaces between the reducing members reducing members being connected one with the are ordinarily lled with plastic material to a level other to form a tortuous passageway for the adjacent the working edges of the reducing memstuii. Each reducing member is provided with bers, the distance which the reducing members openings to receive a longitudinal connecting project beyond the hardened plastic material bemember, openings in adjacent reducing members 20 ing determined, in part at least, by the character being so arranged that a single connecting memof the work to be done. The quality of the ber will pass through openings in both reduciinished product dependslargely upon the charing members, thus connecting the two reducing acter and arrangement of the reducing members. members one to the other. Preferably the con- One object of the invention is to provide a necting member is in the form ofa round rod so 25 ller of simple construction in which the reas to permit the reducing members to move about ducing members may be produced at low cost longitudinal axes and thus conform to the shape and easily assembled. of the Jordan element to which they are to be To this end itis a further object of the invenapplied, that is, to the shell or the plug as the tion to so construct and arrange the reducing case may be. 30

members that they may be connected one with In that embodiment shown in Figs. l to 4 the the other by the insertion of connecting members reducing members are indicated as a whole by extending lengthwise of the filler. the reference numeral I0 and each reducing A further object of the invention is to so form member comprises a bar which extends for the v and arrange the reducing members that they full length of the filler, it being understoodthat 35 will have a highly efcient action on the stuff a single ller may extend for the full length of and will produce a i'lnished stuff of fine quality. the Jordan or that it may be formed in 4a series A further object of the invention is to proof sections, the combined length of which is vide a ller which will not only enable the Jorequal to that of the shell and plug. The reduc- 40 dan to produce a product of superior quality ing bar as a whole is made up of a series of rela- 40 but will impart thereto arelatively high capacity. tively short bars or blades arranged on edge Other objects of the invention may appear as and extending at an inclination to the length the device is described in detail. of the reducing bars, the adjacent blades or In the accompanying drawing Fig, l is a longishort bars being inclined in opposite directions tudinal section taken through the shell and to provide the reducing bar with recesses I2 fac- 45 plug of a Jordan with the fillers applied thereto; ing the opposite sides of that bar. Each in- Fig, 2 is a plan View of a portion of a ller emclined blade II is provided adjacent both edges bodying the present invention; Fig. 3 is a detail thereof with openings I3 adapted to receive a section taken on the line 3-3 of Fig. 2; Fig. 4 is connecting rod I4. Preferably each blade has at i a perspective view of one of the blades of the reeach side thereof an edge portion I5 which ex- 50 ducing member shown in Fig. 2; and Fig. 5 is a tends at substantially right angles to the length plan View of a portion of a ller of modied form. of the reducing bar so that the lateral edge por- In this drawing there are shown two emboditions of adjacent bars may abut one against the ments of the invention but it will be underother and the openings I3 are formed in these stood that these have been chosen for the purlateral portions. Preferably the lateral edge por- 55E tions I5 of each blade extend for the full height, or length, of the blade, so that the outer or working edge of the blade, which is the top edge of Fig. 2, will extend for the full width of the blade but obviously if desired the outer portions of the lateral edges of the blade may be cut away to shorten the working edge thereof. The corresponding inclined blades of each of the several reducing bars or members are arranged in series circumferentially of the ller, so that the abutting edge portions of the oppositely inclined blades of each reducing member will extend into the recess I2 of an adjacent reducing bar and the openings therein will be arranged in substantial alinement with the openings in the adjacent edges of the blades of said adjacent reducing bar. Thus the connecting bars lf3 serve both to connect the blades of the individual reducing bars one with the other and, to connect the adjacent reducing bars one with the other, and this arrangement also provides for communication between the recesses in adjacent bars so as to form a tortuous passageway through which the stuff travels. The longitudinally extending connecting rods I l are inserted lengthwise through the alined openings as the several parts of the filler are assembled thus enabling the same to be assembled rapidly, either on that element of the Jordan to which the filler is to be applied or separately therefrom, and when round rods are used the adjacent reducing bars are pivotally` connected so that they may accommodate themselves to the contour of the element of the Jordan to which the i'illeris to be applied.

vIt will be noted that the individual bars or blades of each reducing bar decrease gradually in length from one end of the ller to the other so as to impart to the filler a frusta-conical shape corresponding to the shape of the shell or plug, as the case may be. When the several parts of the ller have been assembled the spaces between adjacent reducing bars are filled to a level adjacent the working edges thereof with plastic material which, when hardened, forms the bottom of the passageway over which the stui'r" travels and, if desired, the plastic material may be of such va character that when hardened it will have an abrasive surface which will have a reducing action on the stuff as the latter moves over the surface. This arrangement is illustrated in Fig. 1 where the shell is shown at I8, the plug at I9, and the plastic material at 2li. The connecting rods being inserted in the inner parts of the blades or kinclined portions of the reducing bar, are embedded in this hardened plastic material and thus the connecting rods and the blades are held firmly against movement. 'Iherefore it is not essential that the connecting bars be provided with fastening devices to retain them in position but, if desired, fastening devices of any suitable character may be provided and, as shown in Fig. 2, the ends of the connecting bars are upset, after the manner of a rivet, on the outer sides of the end blades of each reducing member, as shown at I6. If desired spacing sleeves Ida may be placed on the rods I 4 between adjacent parts of the blades, but ordinarily this is not necessary. When the working edges of the several blades extend for the full width of the .blades it will be apparent that these working edges extend beyond the connecting rods and into the recesses of adjacent reducing members. The lateral edge portions of the blades may be of such width that the blades will extend into the recesses any desired distances but preferably they extend only relatively short distances into the recesses so that they are spaced a substantial distance from the closed ends of the recesses, thus causing a turbulence of the stuff as it flows through the recesses, which will cause different portions of the stuff to flow over the working edges of the successive blades and thus be subjected to the action of the reducing members o rboth the shell and the plug. y

In Fig. 5 there is illustrated a modified form of the filler in which each reducing member comprises a single bar 2I which extends for the full length of the ller and is bent or otherwise formed to impart thereto a zigzag shape in which relatively short portions 22 of the bar are inclined laterally and adjacent portions are inclined in opposite directions, so as to provide each bar with recesses 23 facing alternately in opposite directions. The several reducing bars are arranged in substantially parallel relation one to the other so that the converging portions of each bar extend into a recess of an adjacent bar, each bar being spaced one from the other to form between adjacent bars tortuous passageways or channels. At least a part of the inclined portions of each bar are provided with openings to receive connecting bars 24, there being two such openings in each of said inclined portions and the openings being so arranged that each of the openings in each inclined portion of each bar will be in line with an opening in the inclined portion of another bar, thus permitting the connecting rods to be inserted for the purpose of retaining the several bars in proper relation one to the other. When each reducing member comprises ka single bar it is not essential that the connecting rods extendfor the full length of the filler but, as shown in Fig. 5, it is only necessary that each rod should extend through two or more of the inclined portions of adjacent bars. The spaces between adjacent bars are filled with plastic material to a level adjacent the working edges thereof and the connecting rods are so arranged that they will be embedded in that plastic material and therefore it is not necessary to provide fastening devices to retain the connecting rods in position.

In both embodiments of the invention the reducing members are of such a character that they can be quickly and` easily formed at small expense and can be easily assembled by the mere insertion of" the longitudinal connecting rods through the openings in the bars, thus enabling the filler to be produced at a relatively low cost. Further, the arrangement of the reducing members is such as to control and retard the ow of the stuff through the Jordan in such a manner as to provide a very effective reducing action on the stuff.

While I have shown and described two embodiments of my invention I wish it to be understood that I do not desirey to be limited to the details thereof as various modifications may occur to a person skilled in the art.

Having now fully described my invention, what I claim as new and desire to secure by Letters Patent, is:

l. In a filler for a pulp refining engine, a plu-y rality of stuff reducing members extending lengthwise of said filler and spaced laterally one from the other, each reducing member having adjacent longitudinal portions inclined laterally in oppositek directions and arranged to form tortuous passageways between adjacent members, andy connecting members extending lengthwise of said ller and attached to the adjacent reducing members to connect the latter one to the other.

2. In a ller for a pulp rening engine, a plurality of stuff reducing members extending lengthwise of said iiller and spaced laterally one from the other, each reducing member having a plurality of laterally converging portions arranged to provide lateral recesses in said member, the converging portions of each member extending into the corresponding recesses of an adjacent member, said adjacent members having longitudinally alined openings, and connecting members extending through said alined openings to connect said reducing members one with the other.

3. In a ller for a pulp refining engine, a plurality of reducing members extending lengthwise of the filler, spaced laterally one from the other and shaped to provide a tortuous longitudinal passageway between adjacent members, each member having near each side thereof a longitudinal series of openings, the openings in the contiguous sides vof adjacent members being in substantial alinement, and connecting members extending lengthwise of the ller through the openings in said adjacent members.

4. In a filler for a pulp rening engine, a plurality of stuff reducing members extending lengthwise of said filler and spaced laterally one from the other, each reducing member having a plurality of parts extending transversely to the length thereof and arranged to provide said member with recessesfacing alternately in opposite directions, 'each transverse part having openings near the respective sides of said member, and connecting members extending lengthwise of said iiller and mounted in the corresponding openings in adjacent reducing members to connect said adjacent members one with the other.

5. In a filler for a pulp refining engine, a plurality of stuff reducing members extending lengthwise of said filler and spaced laterally on-e from the other, each reducing member having a plurality of parts extending transversely to the length thereof and arranged to provide said member with recesses facing alternately in opposite directions, and connecting members extending lengthwise of said filler, each connecting member being attached to the transversely extending parts on the contiguous sides of adjacent reducing members.

6. In a ller for a pulp rening engine, a plurality of stuff reducing members extending lengthwise of said iiller and spaced laterally one from the other, each reducing member comprising a longitudinal series of separate elements extending obliquely to the length thereof, adjacent elements being inclined in opposite directions, and means for connecting the elementsof each reducing member one with the other and for connecting adjacent reducing members one with the other.

'7. In a ller for a pulp rening engine, a plurality of stuff reducing members extending I lengthwise of said filler and spaced laterally one from the other, each reducing member comprising a longitudinal series of separate elements extending obliquely to the length thereof, adjacent elements being inclined in opposite directions, and-connecting members extending lengthwise of said ller, said connecting members and said elements having parts cooperating to connect the elements of each reducing member one with the other and with the elements of the adjacent reducing members.

8. In a ller for a pulp refining engine, a plurality of stuit reducing members extending lengthwise of said filler and spaced laterally one from the other, each reducing member comprising a longitudinal series of separate elements extending obliquely to the length thereof, adjacent elementsbeing inclined in opposite directions, and each element having openings ad-.

from the other, each reducing member comprising a longitudinal series of separate elements, each element extending obliquely to the length of said reducing member and having lateral edge portions extending at substantially right angles to the length of said member and provided with openings, adjacent elements being inclined in opposite directions, and connecting rods extending lengthwise of said filler through the openings in the elements of adjacent reducing members.

10. In a filler for a pulp reiining engine, a plurality of stuff reducing members extending lengthwise of said filler and spaced laterally one from the other, each reducing member comprising a single bar bent to provide the same with a series of laterally inclined portions, at least a part of said inclined portions having openings, and connecting rods extending lengthwise of said filler through the openings in adjacent reducing members.

l1. In a ller for a pulp refining engine, a plurality of stuii reducing members extending lengthwise of said ller and spaced laterally one from the other, each reducing member comprising a single bar bent to provide the same with a series of laterally inclined portions, inclined portions of each bar having openings in longitudinal alinement with the openings in inclined portions of at least two other bars, connecting rods extending through said alined openings, and hard material arranged in the spaces between said bars to form the inner walls of the passageways between said bars.

CHARLES J. STEIN'BARGER. 

